The state of california has a mean annual rainfall of 22 inches, whereas the state of new york has a mean annual rainfall of 42 inches ( current results website, october 27,2012). assume that the standard deviation for both states is 4 inches. a sample of 30 years of rainfall for california and a sample of 45 years of rainfall for new york has been taken. a. show the probability distribution of the sample mean annual rainfall for california. b. what is the probability that the sample mean is 1 inch of the population mean for california? c. what is the probability that the sample mean is within 1 inch of the population mean for new york? d. in which case, part (b) or (c), is the probability of obtaining a sample mean within 1 inch of the population mean greater? why?

answer: 10 meter

step-by-step explanation:

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system of linear equation

step-by-step explanation:

as given in the data

a= 20 , b= -12

let us suppose that it is a straight line equation

now we know the formula for the system of linear equation

b= ma + c )

here m is slope of a straight line which is equal to formula

m=   (ii)

and here c is a constant

now putting the value of a and b in equation (ii)

m=

m=

putting the value of a,b and m in equation (i) gives us

-12 = + c

-12=-12 + c

adding 12 to both sides

-12 +12 = -12 +12 +c

0 =c

or c=0

as the value of the constant is zero which gives us that it is a linear equation and this order pair satisfies the system of linear equations.

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step-by-step explanation:

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